The quest for the sea urchin egg receptor for sperm

被引：42
|
作者：
Vacquier, Victor D. [1 ]
机构：
[1] Univ Calif San Diego, Scripps Inst Oceanog, Div Marine Biol Res, La Jolla, CA 92093 USA
来源：
BIOCHEMICAL AND BIOPHYSICAL RESEARCH COMMUNICATIONS | 2012年 / 425卷 / 03期
关键词：
Sea urchin; Bind in; Sperm receptor; EBR1; Sperm binding; Fertilization; GAMETE-RECOGNITION PROTEINS; ADHESIVE PROTEIN; STRONGYLOCENTROTUS-PURPURATUS; OLIGOSACCHARIDE CHAINS; PHOSPHOLIPID-VESICLES; BINDING; SURFACE; IDENTIFICATION; SPECIFICITY; EVOLUTION;
D O I：
10.1016/j.bbrc.2012.07.132
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
This review discusses identification, isolation and characterization of proteins mediating species-selective sperm-to-egg adhesion during sea urchin fertilization. Bindin is the only sea urchin sperm protein known to mediate species-selective sperm attachment to eggs. Two completely different egg surface proteins, 350-kDa and EBR1, have affinity for bindin and each one meets all the criteria to be a species-selective sperm receptor. Experiments suggest that sperm bindin recognizes both the sulfated O-linked oligosaccharides on the egg 350-kDa glycoprotein, and also the repeated protein sequence modules of EBR1. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码：583 / 587
页数：5
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